| Company | Timeline | Status | |
| D. Benson & Co. Limited Director • Director | 20 Jun 1991←34 Years→Current | Active | |
| D. Benson & Co. Limited Secretary • Unreported | 20 Jun 1991←34 Years→Current | Active | |
| D. Benson (Controls) Limited Director • Director | 14 Dec 1990←10 Years→31 Mar 2001 | Active | |
| D. Benson (Controls) Limited Secretary • Unreported | 14 Dec 1990←10 Years→31 Mar 2001 | Active | |
